PT-2022-21953 · Unknown · Dproxy-Nexgen

Haya Shulman + 2 · Published 2022-08-15 · Updated 2022-08-18 · CVE-2022-33991

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions dproxy-nexgen (affected versions not specified)

Description The issue concerns dproxy-nexgen forwarding and caching DNS queries with the CD bit set to 1, which leads to the disabling of DNSSEC protection provided by upstream resolvers.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Authentication Bypass by Spoofing

Weakness Enumeration

CWE-290

Related Identifiers

CVE-2022-33991

Affected Products

Dproxy-Nexgen

References · 6

• 🔥 https://openwall.com/lists/oss-security/2022/08/14/3 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-33991 · Security Note
• https://usenix.org/conference/usenixsecurity22/presentation/jeitner · Note
• https://sourceforge.net/projects/dproxy · Note
• https://t.me/cibsecurity/48157 · Telegram Post
• https://t.me/cvenotify/34665 · Telegram Post